A case of a colo-ovarian cyst fistula as a complication of endometriosis

We present a 45-year-old female with a 20-year history of abdominopelvic pain during menstruation and a gradually enlarging abdominal mass. The initial impression was a malignant ovarian new growth for which she underwent exploratory laparotomy. Intraoperatively, the ovaries have been converted to a large endometriotic cyst. The right ovarian cyst was adherent to the sigmoid colon and a fistulous tract was appreciated between the two structures. The patient underwent a total hysterectomy with bilateral salpingo-oophorectomy en bloc sigmoidectomy. Her postoperative course was unremarkable and she was discharged on the fifth postoperative day. [Arch Clin Exp Surg 2018; 7(1.000): 41-43]